What happens when elements are chemically combined?

2 answers:

6 0

Atoms of different elements can join together in chemical reactions to form compounds. For example hydrogen and oxygen are elements. They react together to form water, a compound

Hope that helps you!

antiseptic1488 [7]3 years ago

4 0

Depends on the elements... Certain type of chemicals combined can be very dangerous and have a big impact like blowing up, or fizzing.... But typically they form a new element. Some elements counteract other elements.

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Answer:

0.783 kg

Explanation:

You must make the conversions:

atoms of Pb ⟶ moles of Pb ⟶ grams of Pb ⟶ moles of Pb

$\text{Moles of Pb} = 2.16 \times 10^{24} \text{ atoms Pb} \times \frac{\text{1 mol Pb} }{ 6.022 \times 10^{23} \text{ atoms Pb} } = \text{3.589 mol Pb} \\$